package cn.wolfcode.wolf2w.service.impl;

import cn.wolfcode.wolf2w.domain.Destination;
import cn.wolfcode.wolf2w.domain.Strategy;
import cn.wolfcode.wolf2w.domain.StrategyCatalog;
import cn.wolfcode.wolf2w.domain.StrategyTheme;
import cn.wolfcode.wolf2w.query.StrategyQuery;
import cn.wolfcode.wolf2w.redis.vo.StrategyStatisVO;
import cn.wolfcode.wolf2w.repository.StrategyRepository;
import cn.wolfcode.wolf2w.service.IDestinationService;
import cn.wolfcode.wolf2w.service.IStrategyCatalogService;
import cn.wolfcode.wolf2w.service.IStrategyService;
import cn.wolfcode.wolf2w.service.IStrategyThemeService;
import cn.wolfcode.wolf2w.util.DBHelper;
import com.sun.org.apache.bcel.internal.generic.IF_ACMPEQ;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.Date;
import java.util.List;
@Service
public class StrategyServiceImpl implements IStrategyService {
    @Autowired
    private StrategyRepository strategyRepository;
    @Autowired
    private MongoTemplate template;
    @Autowired
    private IStrategyCatalogService strategyCatalogService;
    @Autowired
    private IStrategyThemeService strategyThemeService;
    @Autowired
    private IDestinationService destinationService;

    @Override
    public void save(Strategy strategy) {
        strategy.setId(null);
        strategyRepository.save(strategy);
    }

    @Override
    public void update(Strategy strategy) {
        strategyRepository.save(strategy);
    }

    @Override
    public void delete(String id) {
        strategyRepository.deleteById(id);
    }

    @Override
    public Strategy get(String id) {
        return strategyRepository.findById(id).orElse(null);
    }

    @Override
    public List<Strategy> listAll() {
        return strategyRepository.findAll();
    }

    @Override
    public Page<Strategy> query(StrategyQuery qo) {
        //创建查询对象
        Query query = new Query();
        if (StringUtils.hasLength(qo.getDestId())){
            query.addCriteria(Criteria.where("destId").is(qo.getDestId()));
        }
        if (StringUtils.hasLength(qo.getThemeId())){
            query.addCriteria(Criteria.where("themeId").is(qo.getThemeId()));
        }


        PageRequest pageable = PageRequest.of(qo.getCurrentPage()-1, qo.getPageSize(),
                Sort.Direction.ASC, "_id");

        return DBHelper.query(template,Strategy.class,query,pageable);
    }

    @Override
    public void saveOrUpdate(Strategy strategy) {
        //目的地id
        StrategyCatalog catalog = strategyCatalogService.get(strategy.getCatalogId());
        strategy.setDestId(catalog.getDestId());

        //目的地name
        strategy.setDestName(catalog.getDestName());

        //主题名称
        StrategyTheme theme = strategyThemeService.get(strategy.getThemeId());
        strategy.setThemeName(theme.getName());

        //主题分类
        strategy.setCatalogName(catalog.getName());
        //是否国外
        List<Destination> toasts = destinationService.queryToasts(catalog.getDestId());
        if (toasts !=null && toasts.size()>0){
            Destination dest = toasts.get(0);
            if ("中国".equals(dest.getName())){
                strategy.setIsabroad(Strategy.ABROAD_NO);
            }else {
                strategy.setIsabroad(Strategy.ABROAD_YES);
            }
        }
        if (StringUtils.hasLength(strategy.getId())){
            //查询
            Strategy strategys = this.get(strategy.getId());
            //替换
            strategy.setCreateTime(strategys.getCreateTime());
            strategy.setViewnum(strategys.getViewnum());
            strategy.setReplynum(strategys.getReplynum());
            strategy.setThumbsupnum(strategys.getThumbsupnum());
            strategy.setFavornum(strategys.getFavornum());
            strategy.setSharenum(strategys.getSharenum());

            this.update(strategy);
        }else {
            strategy.setCreateTime(new Date());
            this.save(strategy);
        }
    }

    @Override
    public void changeState(String id, int state) {
        Query query = new Query();
        query.addCriteria(Criteria.where("_id").is(id));
        Update update = new Update();
        update.set("state",state);
        template.updateMulti(query,update,Strategy.class);

    }

    @Override
    public List<Strategy> queryCatalogId(String id) {
        return strategyRepository.findByCatalogId(id);
    }

    @Override
    public List<Strategy> getViewnumTop3(String destId) {
        PageRequest viewnum = PageRequest.of(0, 3, Sort.Direction.DESC, "viewnum");
        return strategyRepository.findByDestId(destId,viewnum);
    }

    @Override
    public void updateStatisVo(StrategyStatisVO vo) {
        Query query = new Query();
        query.addCriteria(Criteria.where("_id").is(vo.getStrategyId()));

        //DBHelper 工具类中共需要明确指定表名， 集合名，Strategy类字节码可以找到
        /*Strategy strategy = new Strategy();
        BeanUtils.copyProperties(vo, strategy);

        DBHelper.update(template, query, strategy, "favornum",
                "replynum","sharenum","thumbsupnum","viewnum");*/

        Update update = new Update();
        update.set("viewnum",vo.getViewnum());
        update.set("thumbsupnum",vo.getThumbsupnum());
        update.set("sharenum",vo.getSharenum());
        update.set("replynum",vo.getReplynum());
        update.set("favornum",vo.getFavornum());

        template.updateMulti(query,update,Strategy.class);
    }

    @Override
    public List<Strategy> findByDestName(String keyword) {

        return strategyRepository.findByDestName(keyword);
    }

}
